adjective in·vet·er·ate \in-ˈve-t(ə-)rət\

: always or often doing something specified

: always or often happening or existing

Full Definition of INVETERATE

:  firmly established by long persistence <the inveterate tendency to overlook the obvious>
:  confirmed in a habit :  habitual <an inveterate liar>
in·vet·er·ate·ly adverb

Examples of INVETERATE

  1. his inveterate tendency to overlook the obvious
  2. <he has an inveterate tendency to tell some very tall tales>


Middle English, from Latin inveteratus, from past participle of inveterare to age (v.t.), from in- + veter-, vetus old — more at wether
First Known Use: 14th century

Synonym Discussion of INVETERATE

inveterate, confirmed, chronic mean firmly established. inveterate applies to a habit, attitude, or feeling of such long existence as to be practically ineradicable or unalterable <an inveterate smoker>. confirmed implies a growing stronger and firmer with time so as to resist change or reform <a confirmed bachelor>. chronic suggests something that is persistent or endlessly recurrent and troublesome <a chronic complainer>.
Medical Dictionary


adjective in·vet·er·ate \in-ˈvet-ə-rət, -ˈve-trət\

Medical Definition of INVETERATE

:  marked by long duration or frequent recurrence <inveterate bursitis>
:  confirmed in a habit :  habitual 2 <an inveterate smoker>


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